Tree-ring chronology of Picea sitchensis (Sitka spruce) compiled from tree samples CHILK
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Species PCSI; No of trees 14; No samples 28; No of years 252; Begin 1732; End 1983; Creation date 1997-01-01
创建时间：
2007-01-01
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Species PCSI; No of trees 14; No samples 28; No of years 252; Begin 1732; End 1983; Creation date 1997-01-01